upper extremity
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This makes up the PECTORAL (or SHOULDER) GIRDLE.[a]The two clavicles and the two scapulae.
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The clavicle connects which bones?[a]This bone links the sternum to the scapula.
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spine of the scapula – features[a]This structure has the acromion at one end and the root at the other.
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glenoid fossa – function[a]This strucure receives the head of the humerus to form the GLENOHUMERAL JOINT (shoulder joint).
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glenoid labrum -describe[a]This is the lip of cartilage around edge of glenoid fossa
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coracoid process – location[a]This is the most anterior feature of the scapula, for muscle attachment.
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HUMERUS – describe[a]This is the largest bone of the upper extremity.
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Head of humerus articulates with?[a]This part of the humerus articulates with the glenoid fossa.
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surgical neck – describe[a]This is the constriction distal to the head of humerus, a common fracture site.
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greater tubercle – describe[a]This is the large and lateral bump for muscle attachment for three (3) of the rotator cuff muscles.
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lesser tubercle – describe[a]This is the small and anterior bump for muscle attachment of one (1) of the rotator cuff muscles.
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intertubercular sulcus/bicipital groove – describe[a]This is the groove located between the tubercles which stabilizes one of the tendons (long head) of the biceps brachii muscle.
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trochlea – describe[a]This is the spool-shaped projection at the distal end of the humerus which receives the trochlear notch of the ulna to form the humeroulnar joint.
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capitulum – describe[a]This is the round projection lateral to the trochlea that receives the top of the head of the radius to form the radiohumeral joint.
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olecranon fossa – describe[a]This is located on the posterior surface of the humerus just proximal to the trochlea which receives olecranon process of ulna in full extension of the elbow.
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coronoid fossa – describe[a]This is located on the anterior surface of the humerus, just proximal to the trochlea which receives the coronoid process of the ulna in full flexion of the elbow.
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lateral/medial epicondyles – describe[a]This are the small bumps at distal ends of supracondylar ridges which serve as muscle attachment sites.
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Acromioclavicular joint is formed by what bones?[a]This is the joint between the scapula and the clavicle.
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Sternoclavicular joint is formed by what bones?[a]This is the joint between the sternum and the clavicle.
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Glenohumeral joint is formed by what bones?[a]This is the joint between the scapula and the humerus.
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olecranon process – describe[a]This is the prominence of ulna which forms the proximal lip of the trochlear notch.
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coronoid process – describe[a]This forms distal lip of trochlear notch of ulna.
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trochlear (semilunar) notch – describe[a]This part of the ulna wraps around the trochlea of the humerus.
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radial notch – describe[a]This structure receives the head of the radius to form the PROXIMAL RADIOULNAR JOINT.
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styloid process – describe[a]This is located on both the radius and ulna at their most distal extremity.
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ulnar notch – describe[a]This structure is located at distal end of radius and receives head of ulna to form the DISTAL RADIOULNAR JOINT.
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Interosseous membrane – describe[a]This is the fibrous connective (ligamentous) tissue that connects the radius and the ulna along their length. It helps to stabilize the forearm.
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Proximal Row of carpals – list[a]scaphoid (also called the navicular), lunate triquetrum, pisiform (easily palpated)
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Distal Row of carpals – list[a] trapezium (tubercle easily palpated), trapezoid, capitate, hamate (the hook of the hamate is easily palpated)
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Bones of the RADIOCARPAL JOINT – list[a]The radius, scaphoid, lunate and triquetrum .
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What do you have 5 of in each hand?[a]METACARPALS
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What do you have 14 in each hand?[a]PHALANGES
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upper extremity reversed
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PHALANGES location and number?[a]14 in each hand and foot
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METACARPALS location and number?[a]5 of in each hand
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The radius, scaphoid, lunate and triquetrum form which joint?[a]Bones of the RADIOCARPAL JOINT
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What is the fibrous connective (ligamentous) tissue that connects the radius and the ulna along their length?[a]Interosseous membrane
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What structure is located at distal end of radius and receives head of ulna to form the DISTAL RADIOULNAR JOINT?[a]ulnar notch
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What is located on both the radius and ulna at their most distal extremity?[a]styloid process
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What structure receives the head of the radius to form the PROXIMAL RADIOULNAR JOINT?[a]radial notch
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Which part of the ulna is actually in contact with the trochlea of the humerus?[a]trochlear (semilunar) notch
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What forms distal lip of trochlear notch of ulna?[a]coronoid process
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What is the prominence of ulna which forms the proximal lip of the trochlear notch?[a]olecranon process
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What is the joint between the scapula and the humerus?[a]Glenohumeral joint
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What is the joint between the sternum and the clavicle?[a]Sternoclavicular joint
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What is the joint between the scapula and the clavicle?[a]Acromioclavicular joint
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What are the small bumps at distal ends of supracondylar ridges which serve as muscle attachment sites?[a]lateral/medial epicondyles
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What is located on the anterior surface of the humerus, just proximal to the trochlea which receives the coronoid process of the ulna in full flexion of the elbow?[a]coronoid fossa
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What is located on the posterior surface of the humerus just proximal to the trochlea which receives olecranon process of ulna in full extension of the elbow?[a]olecranon fossa
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What is the round projection lateral to the trochlea that receives the top of the head of the radius to form the radiohumeral joint?[a]capitulum
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What is the spool-shaped projection at the distal end of the humerus which receives the trochlear notch of the ulna to form the humeroulnar joint?[a]trochlea
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What is the groove located between the tubercles which stabilizes one of the tendons (long head) of the biceps brachii muscle?[a]intertubercular sulcus/bicipital groove
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What is the small and anterior bump for muscle attachment of one (1) of the rotator cuff muscles?[a]lesser tubercle
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What is the large and lateral bump for muscle attachment for three (3) of the rotator cuff muscles?[a]reater tubercle
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What is the constriction distal to the head of humerus; a common fracture site?[a]surgical neck
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Which part of the humerus articulates with the glenoid fossa?[a]Head of humerus
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What is the largest bone of the upper extremity?[a]HUMERUS
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What is the most anterior feature of the scapula, for muscle attachment?[a]coracoid process
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What is the lip of cartilage around edge of glenoid fossa?[a]glenoid labrum
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What strucure receives the head of the humerus to form the GLENOHUMERAL JOINT (shoulder joint)?[a]glenoid fossa
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What structure has the acromion at one end and the root at the other?[a]spine of the scapula
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What bone links the sternum to the scapula?[a]The clavicle
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The two clavicles and the two scapulae make up what structure?[a]the PECTORAL (or SHOULDER) GIRDLE
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